import type * as T from '@traversable/registry';
import * as t from './schema.js';
/**
 * Note: strictly speaking, `undefined` is not a valid JSON value. It's
 * included here because in practice `JSON.stringify(undefined)` returns
 * `undefined` instead of the empty string.
 */
export type Json<T = never> = [T] extends [never] ? Json.Fixpoint : Json.Unary<T>;
export declare namespace Json {
    type Scalar = undefined | null | boolean | number | string;
    type Unary<T = never> = Scalar | readonly T[] | {
        [x: string]: T;
    };
    interface Free extends T.HKT {
        [-1]: Json.Unary<this[0]>;
    }
    type Fixpoint = Scalar | readonly Fixpoint[] | {
        [x: string]: Fixpoint;
    };
}
export declare const JsonFunctor: T.Functor<Json.Free>;
export type Options = {
    namespaceAlias?: string;
    typeName?: string;
};
export declare const defaults: {
    namespaceAlias: string;
    typeName: string;
};
export declare function schemaToString(schema: t.Type, options?: Pick<Options, 'namespaceAlias'>): string;
export declare function schemaToString(schema: t.Schema, options?: Pick<Options, 'namespaceAlias'>): string;
export declare function toType(schema: t.Type, options?: Pick<Options, 'typeName'>): string;
export declare function jsonToType(json: Json<any>, options?: Pick<Options, 'typeName'>): string;
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